CN108137299A - Pumping machine with electromechanical lift system - Google Patents
Pumping machine with electromechanical lift system Download PDFInfo
- Publication number
- CN108137299A CN108137299A CN201680060104.9A CN201680060104A CN108137299A CN 108137299 A CN108137299 A CN 108137299A CN 201680060104 A CN201680060104 A CN 201680060104A CN 108137299 A CN108137299 A CN 108137299A
- Authority
- CN
- China
- Prior art keywords
- pumping machine
- screw rod
- cylinder body
- motor
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
- B66F3/28—Adaptations or arrangements of pistons telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/14—Counterbalancing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/14—Counterbalancing
- F04B47/145—Counterbalancing with fluid means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Eye Examination Apparatus (AREA)
- Lubricants (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Pumping machine (650,750) includes：At least two tubular elements (651,751), they are between them interconnected comprising gas-pressurized and vertically parallel extension and by means of connecting element (652,752)；And electromechanical lift system (600,700), including：First cylinder body (601,701), the first cylinder body (601,701) are mutually connected to tubular element (651,751) and the substance including that can be compressed by piston (601b, 701b)；And screw rod (602,702), there is the vertical axis Y consistent with the axis of pumping machine (650,750).Screw rod (602,702) is inserted in the second thrust cylinder body (658,758) connected in sliding manner in the first cylinder body (601,701), with the first end (602b, 702b) of connecting element (602,702) and the second end (602a, 702a) is fixed to, the second end is disposed for sliding and covering in thrust cylinder body (658,758) chamber (605,705) of lubricating oil and cooling oil including covering piston (601b, 701b).
Description
Technical field
The present invention relates to a kind of pumping machines.
In particular, the present invention relates to a kind of pumping machines having for promoting the electromechanical lift system type of load.
Background technology
It is well known that pumping machine is a kind of to be promoted or with other using mechanical treatment component (rotation or move along a straight line)
Mode is mobile or collects the Work machine of fluent material.The pump of the type from the drilling well with suitable depth suitable for fetching water.
Usually using cylinder body, such as hydraulic cylinder in the mechanical part of this machine, to utilize the stream for being used to transmit power by pump supply
The pressure of body.These hydraulic cylinders or pneumatic cylinder have the advantages that it is simple in structure and economical, by special pressure vessel savings and
Recycle energy, but only when its application to service speed repeatability and low positioning accuracy requirement it is relatively low when be only as
This.
On the contrary, when application needs high-tensile strength control, speed and positioning, based on using, the mechanical cylinder body needs of Fluid pressure are non-
The unit of Chang Anggui produces, controls and distributes pressurized fluid.
Therefore, usually ensure to speed and determine in these cases it is preferred to using electronically controlled motion transmission system
The height control of position.
However, electrical system is difficult to accumulation energy and effectively reuses energy.
The solution to the problem is proposed in the patent application ITCZ20140007 submitted on April 14th, 2014,
The patent application is transferred to DIMACOSAS, and that patent describes a kind of electromechanical load lifting system, which promotes system
System includes：Cylinder body, including the screw rod with load connection, which can be moved vertically to decline and rise；Motor, connection
To the one end of cylinder body；And device, it is used for the translational motion for screw rod being converted by the rotary motion that motor applies.It should
Cylinder body further includes the tank filled with compressible gas and is connected to the piston of the one end of screw rod.When screw rod is directed toward tank, substantially
The translational motion of upper screw rod allows piston to transfer its energy to the gas of tank and when directed in opposite directions, substantially screw rod
Translational motion allow piston energy is transferred to screw rod from the gas of tank.In addition, as shown in Figure 1, which depict a kind of ground
Machine pumps bar from subsoil well artificial lift oil for passing through, and pumping bar includes jacking system and including two tubular elements,
Two tubular elements extend vertically and are parallel to them between them, containing gas-pressurized, top by stent interconnect with
And it is fixed on the support frame in bottom.Tubular element laterally includes sliding and anti-rotation guide, electromechanical lifting system
Screw rod is attached to the slip and anti-rotation guide by being rigidly connected to the shaft member of the end of screw rod, is tied in the end of screw rod
It closes the carriage and tourelle that are useful for sliding on the guiding piece and is used to support and machine is connected to well pump send bar
Cable.
It is negative due to gas and engine particularly in terms of energy efficiency although being convenient at several aspects
The fact that influence motor nut and screw rod simultaneously is carried, which has the problem of limited efficacy.This overload of nut will be led
Overheat is caused, therefore leads to premature aging.
Moreover, because screw rod bears whole loads, it is therefore desirable to limit its length, it is therefore desirable to limit its effective travel.
For these reasons, the machine of the pervious patent application of applicant, which can neither promote big load, can not have sufficiently long use
Service life.
Invention content
The scope of the present invention is to provide a kind of pumping machine including electromechanical lift system type, exists with same Applicant
First patent application is compared, which can promote heavy load at least twice for identical screw diameter, obtain and same Shen
The priority patent application asked someone is compared, and has the more long life of at least three times or more, therefore it is more than still to influence to have
Previously with reference to the characteristic of the limitation of the machine of known technology description.
According to the present invention, a kind of pumping machine as described in claim 1 is provided.
For a better understanding of the present invention, preferred reality is described only by the mode of non-limiting example referring now to attached drawing
Example is applied, wherein：
Description of the drawings
Fig. 1 shows the enlarged detail of the schematic diagram of pumping machine and specific part according to prior art；
Fig. 2 shows first schematic diagram on the top of the first embodiment of pumping machine according to the present invention and its amplification are detailed
Figure；
Fig. 3 shows second schematic diagram on the top of the first embodiment of pumping machine according to the present invention；
Fig. 4 shows the top view on the top of the first embodiment of pumping machine according to the present invention；
Fig. 5 shows the cross section signal of the lower end of the screw rod of the first embodiment of pumping machine according to the present invention
Figure；
Fig. 6 shows the sectional view of the first embodiment of pumping machine according to the present invention；
Fig. 7 shows the schematic diagram of the motor of pumping machine according to the present invention；
Fig. 8 shows the convering system of the screw rod in the top of the first embodiment according to the present invention for being incorporated to pumping machine
Schematic diagram；
Fig. 9 A Fig. 9 B show the front view of the first embodiment according to the present invention in the pumping machine for starting configuration
And side view；
Figure 10 A Figure 10 B show the first embodiment of the pumping machine according to the present invention in final operative configuration
Front view and side view；
Figure 11 shows the schematic cross-sectional view of the first embodiment of pumping machine according to the present invention, with institute
It is related to the diagram of power.
Figure 12 shows the cross-sectional view of the second embodiment of pumping machine according to the present invention.
Specific embodiment
With reference to these attached drawings, especially Fig. 2 and Fig. 3, pumping machine according to the present invention is shown.In more detail, pumping machine
The first embodiment of device 650 includes two tubular elements 651, they are extended vertically and parallel to each other, as pressed gas
The mixture of container or accumulator, gas such as nitrogen or air and nitrogen is inserted by the appropriate valve being not shown in figure.Pipe
The very best part 651 is interconnected amongst one another and branch shown in Fig. 4 is fixed in bottom by connecting element 652 (for example, stent) at top
Support structure (for example, pedestal).Machine 650 further includes tourelle 655, and tourelle 655 is, for example, to be suitable for support for being promoted
The pulley of the cable of load, tourelle 655 are attached to the carriage 657 slided in guiding piece 653, and guiding piece 653 exists
The inside of tubular element 651 and along 651 definite length extended of tubular element.
In addition, machine 650 includes electromechanical lift system 600, the electromechanical lift system between two tubular elements 651
600 include the first cylinder body 601, and tubular element 651 is interconnected via connecting element 663 and flexible hose with the first cylinder body 601, flexible
Hose allows gas to pass through between tubular element 651 and cylinder body 601.In this way, cylinder body 601 is filled with from tubular element 651
Compressible gas, and the piston 601b including being configured to compress gas.Electromechanical lift system 600 further includes screw rod
602, the end 602a of screw rod 602 are inserted into the inside of the second thrust cylinder body 658, and the second thrust cylinder body 658 is in screw rod lower end with cunning
Flowing mode is connected to the inner wall of the first cylinder body 601.
Advantageously, according to the present invention, gas load is only transmitted to the pulley of machine via thrust cylinder body 658.
Be inserted into the lower containment of the thrust cylinder body 658 inside the first cylinder body 601 chamber 605, chamber 605 collect for pair
The lubrication and cooling oil that the inside of nut 603b, screw rod 602 and thrust cylinder body 658 are lubricated and cool down, especially in machine
First embodiment in, thrust cylinder body 658 includes the vibration and bending of the free end for being configured to limitation screw rod as shown in Figure 2
Lower support 660.In addition, thrust cylinder body 658 includes suction tube 665, it is used to aspirate the oil being contained in chamber 605,
As shown in Fig. 2, it aspirates optionally in the oil of the exterior thereto.
As shown in figure 4, there is screw rod 602 first end 602b, first end 602b to be fixed to by the first locking member
Connecting element 652, the first locking member is for example including locking 661 and first ring 659b of hub.
In addition, as shown in figure 5, according to an aspect of the present invention, in the Inverted Image of cylinder body 601, screw rod has the
Two free end 602a, as shown in Fig. 2, the second free end 602a is by means of the second locking member (such as second ring 659a)
The support element 660 being for example formed from steel is connected to, which slides in thrust cylinder body 658 and cover including lubrication
With the chamber 605 of cooling oil.
Advantageously according to the present invention, the permission screw rod 602 of sliding support 660 is guided and being capable of long-play.
Advantageously according to the present invention, the oil sucked by the pump 664 shown in Fig. 6 can be gathered into chamber 605, so as to permit
Perhaps nut 603b is lubricated and cooled down and the support element 660 of the bottom guide to being used as screw rod is lubricated.
According to an aspect of the present invention, screw rod 602 is ball-screw, roller screw or planetary roller screw or static pressure
Leading screw.
Machine 600 further includes the motor 603 being better shown in Fig. 7, and motor 603 has to be determined by what carrier 603a was supported
Son, carrier 603a also serve as the head for being used to support pulley 655, and stator is fixed to carriage 657, and carriage 657 is being put
It is slided in the guiding piece 653 being placed on the inner wall of tubular element 651.In addition, motor 603 includes nut 603b, nut 603b is
Circulating ball and/or roller (roller) or static pressure nut, nut 603b flanges are connected to being rotated around screw rod 602 for motor 603
Rotor or optionally become the part of motor in itself.
Advantageously according to the present invention, the encoder being not shown in figure is disposed on motor 603, by the position of motor 603
Put the control system for being indicated to and being not shown in figure.In addition, motor 603 include the additional travel safety sensor that is not shown in figure and
Feedback transducer, to be fed back to the position of thrust cylinder body 658, speed and acceleration.Control system is configured as continuously
Monitoring pumps the performance of machine and the variable load to lift lever and various environmental conditions are reacted.
Advantageously according to the present invention, it is configured to the oil pump that nut and screw rod are lubricated and are cooled down 664 and is placed on head
In portion 603a.Oil pump 664 is configured to lubricate the inside of thrust cylinder body 658 and carriage 660 when it is present.
All moving parts of machine are lubricated and cooled down by heat exchanger unshowned in attached drawing, to ensure to imitate
Rate and function.
Advantageously according to the present invention, by act on gas pressure in accumulator can simple adjustment pass through on pulley
The gas balance of the weight of pumping bar that cable rises from machine (well is deeper, then bar longest and most heavy).
As shown in figure 8, machine 650 further includes the convering system of screw rod 602.More precisely, screw rod convering system 602 includes two
A sliding panel 662 and including fixed plate 663, two sliding panels 662 slide simultaneously in the inner guide being not shown
And it is arranged transverse to screw rod 602, protecgulum and rear cover of the fixed plate 663 as screw rod 602.
Advantageously according to the present invention, screw rod convering system 602 also protects motor 603, has the suspension 665 of flexible hose, profit
Sliding pump 664 and existing all the sensors.
As shown in figure 9, in use, in initial configuration, machine 650 has pulley 655 in the lower part of machine 650.
In the configuration, gas held is in the tubular element 651 connected with the first cylinder body 601 and pushes piston 601b from here and consolidates
Inner tube 658 thereon is scheduled on, is alleviated by means of the load to be promoted of motor 603.Therefore, pulley 655 is pushed to increase
The degree of load reduction, cable are hooked on pulley 655.Then, motor 603 is rotating the nut 603b of driving load.Then, horse
It performs to rise up to 603 and climb, be the top climbed to reach machine 650 of slowing down later.In this position shown in Fig. 10, horse
Screw rod 602 is caused to have compressed gas up to 603 progress u turns and in the case where load helps.Therefore, gas is as motor
Balancing component allows for energy saving.
As shown in figure 11, advantageously according to the present invention, in the Y-axis (and operating shaft of machine 600) along screw rod 602
During ascending motion, electro-motor 603 action only by pass to the torque of nut 603b be passed to it is mutual with head 605a
The pulley 655 of machine 605 even, nut 603b are circulating ball and/or roller or static pressure nut, and nut 603b surrounds screw rod again
602 rotations, so as to convert rotational motion to the linear motion along Y-axis.In particular, the left figure of Figure 11 shows and is applied by motor
Power distribution, right figure shows the distribution of the power applied by gas.Thus, it is apparent that the power of not all engine and gas
Action is all transmitted to nut, but follows two different paths.
Advantageously, according to the present invention, during the descending motion along Y-axis, the action of electro-motor 603 is passed to gas
Body.In fact, piston 601b is only located at pushing away for lower position by being transmitted to the torque of nut 603b relative to head 603a
Power cylinder body 658 activates, and nut 603b rotates again around screw rod 602, so as to convert rotational motion to the linear motion along Y-axis.
According to an aspect of the present invention, as shown in figure 12, machine 750 includes the oil instead of gas, institute in cylinder body 701
The lower part that cylinder body 701 is stated with the oil-containing of tubular element 751 connects, and separator floating piston 761 is located inside cylinder body 701.Piston
761 are configured to detach oil with the gas being contained in the top of tubular element 751.
According to another aspect of the present invention, tubular element 751 is not provided with separator floating piston, in this case, makes
The separation between gas and oil is performed with two kinds of different physical state, that is, liquid/gas.
Therefore, compared with the machine of the earlier patent application of the applicant, pumping machine according to the present invention allows to be promoted
Higher load.
It is according to the present invention pumping machine another advantage be, the increase in service life.
Another advantage of pumping machine according to the present invention is, by means of also functioning as the oil lubrication of cooling, can make
With the proper sensors on fluid come monitoring operation condition.
In addition, pumping machine according to the present invention allows to obtain accurate processing.
Another advantage of pumping machine according to the present invention is to improve service speed.
Finally, pumping machine utensil according to the present invention has low noise level.
Finally it is clear that described herein and pumping machine that is showing can modify and change, without departing from such as institute
Protection scope of the present invention that attached claim limits.
Claims (12)
1. a kind of pumping machine (650,750), including：
At least two tubular elements (651,751), it includes gas-pressurized and vertically parallel extension, by means of connection
Element (652,752) interconnects between them；And
Electromechanical lift system (600,700), including：First cylinder body (601,701), first cylinder body (601,701) and institute
State tubular element (651,751) interconnection and the substance including that can be compressed by piston (601b, 701b)；And screw rod
(602,702), the vertical axis Y of the screw rod are consistent with the axis of the pumping machine (650,750)；
It is characterized in that, the screw rod (602,702) is inserted into the second thrust cylinder body (658,758), the second thrust cylinder body
(658,758) are connected in sliding manner in first cylinder body (601,701), and the screw rod (602,702) has first end
Portion (602b, 702b) and the second end (602a, 702a), the first end (602b, 702b) are fixed to the connecting element
(652,752), the second end (602a, 702a) are configured to slide and cover in the thrust cylinder body (658,758)
Chamber (605,705), lubrication and cooling oil of the chamber (605,705) including covering the piston (601b, 701b).
2. pumping machine (650,750) according to claim 1, which is characterized in that the screw rod (602,702) is cycle
Ball-screw or reversed planetary roller screw or planetary roller screw or static-pressure lead screw.
3. pumping machine (650,750) according to claim 1, which is characterized in that the first end (602b) passes through
First locking device (661,659b) is fixed to the connecting element (652).
4. pumping machine (650,750) according to claim 1, which is characterized in that the pumping machine (650,750) is wrapped
Include the suction tube (665,765) for being contained in the oil in the chamber (605,705).
5. pumping machine (650,750) according to claim 1, which is characterized in that the pumping machine (650,750) is wrapped
Electro-motor (603,703) is included, the electro-motor (603,703) can be along the screw rod (602,702) raising and lowering
And pulley is kept by being used for including stator and circulating ball and/or roller or static pressure nut (603b, 703b), the stator
The head (603a, 703a) of (655,755) supports and is fixed to carriage (657,757), the carriage (657,
757) it is disposed for the internal slide of the guiding piece (653,753) on the inner wall of the tubular element (651,751).
6. pumping machine (650,750) according to claim 5, which is characterized in that the nut (603b, 703b) and institute
The rotor flange around the screw rod (602,702) rotation for stating motor (603,703) connects or is integrated to the motor
(603、703)。
7. pumping machine (650,750) according to claim 1, which is characterized in that the pumping machine (650,750) is wrapped
The convering system for covering the screw rod (602) is included, the convering system is configured to protect the screw rod (602) and the motor
(603)。
8. pumping machine (650,750) according to any one of the preceding claims, which is characterized in that the second end
(602a, 702a) is free.
9. pumping machine (650,750) according to claim 8, which is characterized in that the second end (602a) passes through
Second locking device (659a) is connected to support element (660), and the support element (660) covers the chamber (605) and constructs
It is slided into the thrust cylinder body (658).
10. pumping machine (650) according to claim 1, which is characterized in that can be compressed by piston (601b, 701b)
The substance be gas or oil.
11. pumping machine (650) according to claim 1, which is characterized in that the tubular element (651,751) is at it
Top includes gas-pressurized and includes oil in its underpart.
12. pumping machine (650) according to claim 11, which is characterized in that the tubular element (751) includes configuration
Into the floating separator piston (761) for detaching oil with gas.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102015000061232 | 2015-10-13 | ||
| ITUB2015A004647A ITUB20154647A1 (en) | 2015-10-13 | 2015-10-13 | PUMPING MACHINE |
| PCT/IB2016/055976 WO2017064596A1 (en) | 2015-10-13 | 2016-10-06 | Pumping machine comprising an electromechanical lifting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108137299A true CN108137299A (en) | 2018-06-08 |
| CN108137299B CN108137299B (en) | 2020-03-17 |
Family
ID=55237812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680060104.9A Active CN108137299B (en) | 2015-10-13 | 2016-10-06 | Pumping machine with electromechanical lifting system |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10875751B2 (en) |
| EP (1) | EP3362401B1 (en) |
| CN (1) | CN108137299B (en) |
| BR (1) | BR112018007431B1 (en) |
| EA (1) | EA033870B1 (en) |
| HR (1) | HRP20200218T1 (en) |
| IT (1) | ITUB20154647A1 (en) |
| MX (1) | MX2018004236A (en) |
| PL (1) | PL3362401T3 (en) |
| WO (1) | WO2017064596A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901530A (en) * | 2019-12-10 | 2020-03-24 | 温州科丰汽车零部件有限公司 | Vehicle reversing radar sensor |
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- 2016-10-06 EA EA201890927A patent/EA033870B1/en not_active IP Right Cessation
- 2016-10-06 US US15/765,972 patent/US10875751B2/en active Active
- 2016-10-06 PL PL16794048T patent/PL3362401T3/en unknown
- 2016-10-06 WO PCT/IB2016/055976 patent/WO2017064596A1/en active Application Filing
- 2016-10-06 MX MX2018004236A patent/MX2018004236A/en unknown
- 2016-10-06 CN CN201680060104.9A patent/CN108137299B/en active Active
- 2016-10-06 BR BR112018007431-4A patent/BR112018007431B1/en active IP Right Grant
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2020
- 2020-02-11 HR HRP20200218TT patent/HRP20200218T1/en unknown
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| KR20140073178A (en) * | 2012-12-06 | 2014-06-16 | 성두창 | Weight control automatic return table lift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110901530A (en) * | 2019-12-10 | 2020-03-24 | 温州科丰汽车零部件有限公司 | Vehicle reversing radar sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| EA201890927A1 (en) | 2018-09-28 |
| BR112018007431B1 (en) | 2021-06-08 |
| WO2017064596A1 (en) | 2017-04-20 |
| EP3362401B1 (en) | 2019-11-13 |
| US10875751B2 (en) | 2020-12-29 |
| PL3362401T3 (en) | 2020-06-01 |
| MX2018004236A (en) | 2018-11-22 |
| HRP20200218T1 (en) | 2020-05-15 |
| BR112018007431A2 (en) | 2018-10-16 |
| US20180290869A1 (en) | 2018-10-11 |
| EP3362401A1 (en) | 2018-08-22 |
| EA033870B1 (en) | 2019-12-03 |
| ITUB20154647A1 (en) | 2017-04-13 |
| CN108137299B (en) | 2020-03-17 |
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